Current distribution in single-core cables connected in parallel

Ya Ping Du, J. Burnett

Research output: Journal article publicationJournal articleAcademic researchpeer-review

25 Citations (Scopus)


In Hong Kong buildings, large, parallel-connected single-core cables are often used to connect transformers to main low-voltage switchboards. As power consumption in buildings increases, overheating problems associated with such cable installations have become a concern. The paper investigates current distribution among parallel-connected single-core cables in a multi-phase distribution system. A general current-distribution prediction method is proposed and validated experimentally. The impact or cable, source and installation parameters, as well as the presence of a steel cable tray, is reported. The current distribution associated with the Hong Kong practice of parallel cable installations is evaluated, and recommendations for the design and installation are presented.
Original languageEnglish
Pages (from-to)406-412
Number of pages7
JournalIEE Proceedings: Generation, Transmission and Distribution
Issue number5
Publication statusPublished - 1 Sept 2001

ASJC Scopus subject areas

  • Electrical and Electronic Engineering


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